Winding – tensioning – or guiding – Convolute winding of material – Simultaneous winding
Patent
1994-12-16
1997-06-10
Jillions, John M.
Winding, tensioning, or guiding
Convolute winding of material
Simultaneous winding
242580, B65H 1928, B65H 1929
Patent
active
056368100
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
This invention relates to the continuous formation of successive wound web rolls, such as paper, of a predetermined diameter from a traveling, substantially continuous web. More particularly, this invention relates to apparatus for applying an adhesive to an area of the web slightly downstream of where the web has been, or will be, severed to provide the length of web to produce the desired diameter of the wound web roll. Still more particularly, this invention relates to apparatus for automatically applying either a stripe of glue, or an adhesive tape, circumferentially about the peripheral surface of the wound web roll to attach the last wrap of the web about the finished wound roll. The apparatus for accomplishing this task operates without human intervention.
DESCRIPTION OF THE PRIOR ART
In prior machines for winding a traveling web into a finished wound roll, the trailing severed end of the web is typically attached to the wound roll by manually applying one or more spots of glue, or a length of adhesive tape which might be either two-sided, or one-sided, and applied either beneath the last layer of web or against the outer edge of the severed web. Applicators for applying either glue or tape manually in this manner are commercially available.
Each of these methods required a human operator to physically get close to the machinery to be exposed to the dangers inherent in being close to moving mechanical apparatus. The application of an adhesive to the wound roll to seal the finished wound roll necessarily involves undesirable variation in both the quantity of the adhesive applied, and the location of the adhesive, both of which detract from the desired uniformity and quality of the finished roll product.
It is also conceivable to use means, such as staples, which cling to the outer layers of the web and are pressed into the wound roll to secure the last web layer to the roll.
An advantage of this invention is that it provides apparatus for uniformly applying an adhesive to the web near the end of the winding of a finished wound roll (such as, for example, the second to last turn of the web) to adhere the trailing portion of the web to the wound web roll. All this can be accomplished without requiring a human to come close to the moving machinery and rotating wound web roll, and without requiring the roll being wound to be stopped to have the trailing web attached.
In a document identified as "2244 Research Disclosure", No. 249, Great Britain, January 1985, apparatus for applying an adhesive to film being wound into wound rolls is disclosed. This apparatus utilizes a pair of rotating rollers 2,2' between which the traveling web to be cut, and have an adhesive applied thereto, is passed. The apparatus utilizes a web-end tape holding mechanism 4, co-axially mounted relative to roller 2, into which a gluing tape 6 is inserted and held under the influence of suctioned air. A tape fixing auxiliary roller 7 is actuatable to cooperate with a belt-like tape feeder 5 to secure the tape onto holding mechanism 4 which rotates in conjunction with cooperating knives 3,3' to apply the tape to the severed end of the traveling film 1. The severed film then travels downstream where it is utilized to secure the end of the film to the wound web roll 9 by being nipped between a pressure roll 10 and the wound roll 9.
Such apparatus does not utilize positioning means or actuating means which operate to move adhesive attaching means to position the adhesive attaching means first parallel with the rotational axis of the web roll being wound, and then transversely toward and away from the web roll being wound.
IN THE DRAWINGS
FIG. 1a is an end-elevational view, in somewhat schematic form, of a web winding machine, and showing the adhesive applying apparatus.
FIG. 1b is a front-elevational view of the web winding machine, and showing the traversing arrangement for laterally guiding the working heads parallel to the rotational axis of the web roll being wound.
FIG. 2a is an end-elevational view of a web wi
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Research Disclosure, No. 249, Jan. 1985, Great Britain, pp. 77-79.
Dorfel Gerhard W.
Taxis Michael
Beloit Technologies Inc.
Campbell Raymond W.
Jillions John M.
Mathews Gerald A.
Veneman Dirk J.
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